recognise OmniOS
add more package options in opneindina to support omnios
add the missing requirements_openindiana_lib_available
add developer/object-file for omnios/openindiana
add developer/build/gnu-make for omnios
Merge pull request #2279 from wayneeseguin/features/add_system_omnios_gh_issue_2279

add OmniOS support
allow installation from more repositories
Merge pull request #2280 from joshua-rutherford/master

allow installation from more repositories